Home / 112,278.48-168,270.09-53,131.08

Finding the Fourth Proportional to 112,278.48, 168,270.09 and 53,131.08

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Solution

The fourth proportional to 112,278.48, 168,270.09 and 53,131.08 is: 79,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,278.48 : 168,270.09 = 53,131.08 : x
  2. Step 2: Convert to fraction form
    112,278.48/168,270.09 = 53,131.08/x
  3. Step 3: Cross multiply
    112,278.48x = 168,270.09 × 53,131.08
  4. Step 4: Simplify right side
    112,278.48x = 8,940,371,613.40
  5. Step 5: Solve for x
    x = 8,940,371,613.40/112,278.48
  6. Step 6: Final answer
    x = 79,626.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.